Perhaps you should try some spelling variations:
"cu cac chien snippets" » "cu cac code snippets", "cu cuoc chien snippets", "cu van chien snippets", "cu nam chien snippets", "cua cac chien snippets", "cuu cac chien snippets", "cu cao chien snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cu cac chien snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu cac chien snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu cac chien snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu cac chien snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.